MC81F4x16
20
18
16
14
12
10
8
MHz
MHz
10
-40℃
9
8
7
6
5
4
3
2
1
0
25℃
85℃
6
4
2
0
2.2V 2.5V 3.0V 3.5V 4.0V 4.5V 5.0V 5.5V 6.0V
5.1 ㏀
12.0 ㏀
61.2 ㏀
122.0 ㏀
339.0 ㏀
19.7 ㏀
81.0 ㏀
147.2 ㏀
2.7V 3.0V 3.3V 3.5V 4.0V 4.5V 5.0V 5.5V 6.0V
39.4 ㏀
97.5 ㏀
198.9 ㏀
Figure 7-27 8MHz Internal OSC Freq. - VDD
Figure 7-28 Ext. R/C OSC Freq. - VDD at 25℃
20 MHz
20 MHz
18
16
14
12
10
8
18
16
14
12
10
8
6
6
4
4
2
2
0
0
2.2V 2.5V 3.0V 3.5V 4.0V 4.5V 5.0V 5.5V 6.0V
2.2V 2.5V 3.0V 3.5V 4.0V 4.5V 5.0V 5.5V 6.0V
5.1 ㏀
12.0 ㏀
61.2 ㏀
122.0 ㏀
339.0 ㏀
19.7 ㏀
81.0 ㏀
147.2 ㏀
5.1 ㏀
12.0 ㏀
61.2 ㏀
122.0 ㏀
339.0 ㏀
19.7 ㏀
81.0 ㏀
147.2 ㏀
39.4 ㏀
97.5 ㏀
198.9 ㏀
39.4 ㏀
97.5 ㏀
198.9 ㏀
Figure 7-29 Ext. R/C OSC Freq. - VDD at 85℃
Figure 7-30 Ext.l R/C OSC Freq. - VDD at -40℃
50
October 19, 2009 Ver.1.35
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